The CJ3139KDW-HF from Comchip Technology is a MOSFET with Continous Drain Current -0.66 A, Drain Source Resistance 430 to 950 milliohm, Drain Source Breakdown Voltage -20 V, Gate Source Voltage -12 to 12 V, Gate Source Threshold Voltage -1.1 to -0.35 V. Tags: Surface Mount. More details for CJ3139KDW-HF can be seen below.